Features NASA photos and information about the nine planets, Earth's moon, stars, galaxies, nebulae, constellations, asteroids and meteoroids, and comets. Additional vocabulary provided. Students can keep all the facts right at their fingertips with this colorful two-sided ready reference card! Comes pre-punched for a three-ring binder and is laminated for years of use. 8 1/2'' x 11'' (22 x 28cm).